Bug#964591: kodi FTBFS with libmicrohttpd 0.9.71

[Adrian Bunk <bunk@debian.org>]

Source: kodi
Version: 2:18.7+dfsg1-1
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/kodi.html

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/build/1st/kodi-18.7+dfsg1/xbmc/network/WebServer.cpp: In member function 'void CWebServer::SetupPostDataProcessing(const HTTPRequest&, CWebServer::ConnectionHandler*, std::shared_ptr<IHTTPRequestHandler>, void**) const':
/build/1st/kodi-18.7+dfsg1/xbmc/network/WebServer.cpp:503:106: error: invalid conversion from 'int (*)(void*, MHD_ValueKind, const char*, const char*, const char*, const char*, const char*, uint64_t, size_t)' {aka 'int (*)(void*, MHD_ValueKind, const char*, const char*, const char*, const char*, const char*, long unsigned int, long unsigned int)'} to 'MHD_PostDataIterator' {aka 'MHD_Result (*)(void*, MHD_ValueKind, const char*, const char*, const char*, const char*, const char*, long unsigned int, long unsigned int)'} [-fpermissive]
  503 |   connectionHandler->postprocessor = MHD_create_post_processor(request.connection, MAX_POST_BUFFER_SIZE, &CWebServer::HandlePostField, static_cast<void*>(connectionHandler));
      |                                                                                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                                                                          |
      |                                                                                                          int (*)(void*, MHD_ValueKind, const char*, const char*, const char*, const char*, const char*, uint64_t, size_t) {aka int (*)(void*, MHD_ValueKind, const char*, const char*, const char*, const char*, const char*, long unsigned int, long unsigned int)}
...